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Datums for 8725916, CASEY KEY FL


NOTICE: All data values are relative to the MLLW.

Elevations on Mean Lower Low Water

Station: 8725916, CASEY KEY, FL
Status: Accepted (May 25 2011)
Units: Feet
T.M.: 75
Epoch: 1983-2001
Datum: MLLW
DatumValueDescription
MHHW1.84Mean Higher-High Water
MHW1.54Mean High Water
MTL0.91Mean Tide Level
MSL0.93Mean Sea Level
DTL0.92Mean Diurnal Tide Level
MLW0.27Mean Low Water
MLLW0.00Mean Lower-Low Water
NAVD881.34North American Vertical Datum of 1988
STND-3.14Station Datum
GT1.83Great Diurnal Range
MN1.26Mean Range of Tide
DHQ0.30Mean Diurnal High Water Inequality
DLQ0.27Mean Diurnal Low Water Inequality
HWI5.60Greenwich High Water Interval (in hours)
LWI11.87Greenwich Low Water Interval (in hours)
Max TideHighest Observed Tide
Max Tide Date & Time Highest Observed Tide Date & Time
Min TideLowest Observed Tide
Min Tide Date & Time Lowest Observed Tide Date & Time
HATHighest Astronomical Tide
HAT Date & Time HAT Date and Time
LATLowest Astronomical Tide
LAT Date & Time LAT Date and Time
Tidal Datum Analysis Periods
10/01/1977 - 12/31/1977
To refer water level heights to NAVD88 (North American Vertical Datum of 1988), apply the values located at National Geodetic Survey.




Products available at 8725916 CASEY KEY, FL

Revised: 10/15/2013
NOAA / National Ocean Service
Web site owner: Center for Operational Oceanographic Products and Services